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jeremybenn |
/* DomainCombiner.java -- Combines ProtectionDomains
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.security;
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/**
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* A public interface used to combine two ProtectionDomains in a new
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* ProtectionDomain and update the current Protection Domains
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* associated with the current AccessControlContext.
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*
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* It can add, subtract, or update ProtectionDomains or possibly
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* remove duplicates or any possible complex action but just not add
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* ones that do not already exist in either array.
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*
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* @author Mark Benvenuto
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* @see AccessControlContext
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* @see AccessController
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* @since 1.3
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* @status updated to 1.4
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*/
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public interface DomainCombiner
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{
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/**
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* Combines the current ProtectionDomains of the Thread with new
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* ProtectionDomains.
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*
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* @param currentDomains - the ProtectionDomains for the current thread.
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* @param assignedDomains - ProtectionsDomains to add
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* @return a new array of all the ProtectionDomains
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*/
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ProtectionDomain[] combine(ProtectionDomain[] currentDomains,
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ProtectionDomain[] assignedDomains);
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} // interface DomainCombiner
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